| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evie Armstrong | 12 | Dunstable | 40.09 |
| 2 | 2 | Olivia Wicks | 12 | Norwich Swan | 39.88 |
| 3 | 3 | Isabelle Cowie | 12 | Watford SC | 38.65 |
| 4 | 4 | Olivia Pais | 12 | Co Peterboro | 38.21 |
| 5 | 5 | Isabelle Howlett | 12 | Norwich Swan | 38.51 |
| 6 | 6 | Nieve Ives | 12 | Hatfield | 39.01 |
| 7 | 7 | Mia Wilson | 12 | Basildon Ph | 40.01 |
| 8 | 8 | Katie Brazil | 12 | Potters Bar | 40.64 |